function stripeTables() {
	if (!document.getElementsByTagName) return false;
	var even = false; // Sets our flag for the odd/even classes
	var tables = document.getElementsByTagName("table");
	if (!tables) return false;
    for (var h = 0; h < tables.length; h++) {
        if (tables[h].className.indexOf('striped')) {
            var tbodies = tables[h].getElementsByTagName("tbody");
            if (!tbodies) return false;
            for (var i = 0; i < tbodies.length; i++) {
                var rows = tbodies[i].getElementsByTagName("tr");
                for (var j = 0; j < rows.length; j++) {
                    rows[j].className += even ? " even" : " odd";
                    even = !even; // Switch the flag between true and false
                }
            }
        }
    }
}

 window.onload = function() {
 	stripeTables();
 }